/Engine/Source/Editor/PropertyEditor/Public/IDetailChildrenBuilder.h
Adds a custom builder as a child
[IDetailChildrenBuilder](API\Editor\PropertyEditor\IDetailChildrenBuilder) & AddCustomBuilder ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IDetailCustomNodeBuilder](API\Editor\PropertyEditor\IDetailCustomNodeBuilder) > InCustomBuilder )